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AJPH First Look, published online ahead of print Dec 27, 2005
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AJPH.2005.079889v1
96/2/205-a    most recent
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February 2006, Vol 96, No. 2 | American Journal of Public Health 205-206
© 2006 American Public Health Association
DOI: 10.2105/AJPH.2005.079889

LETTER

AUSTIN ET AL. RESPOND

S. Bryn Austin, ScD, Steven J. Melly, MS, Brisa N. Sanchez, ScM, Aarti Patel, BA, Stephen Buka, ScD and Steven L. Gortmaker, PhD

S. Bryn Austin and Aarti Patel are with the Division of Adolescent and Young Adult Medicine, Children’s Hospital, Boston, Mass. S. Bryn Austin is also with the Department of Society, Human Development, and Health, Harvard School of Public Health, Boston. Steven J. Melly is with the Department of Biostatistics and the Department of Environmental Health, Harvard School of Public Health; Brisa N. Sanchez is with the Department of Biostatistics; and Stephen Buka and Steven L. Gortmaker are with the Department of Society, Human Development, and Health, Harvard School of Public Health.

Correspondence: Requests for reprints should be sent to S. Bryn Austin, ScD, Division of Adolescent and Young Adult Medicine, Children’s Hospital, 300 Longwood Ave, Boston, MA 02115 (e-mail: bryn.austin@childrens.harvard.edu).

Because this article has no abstract, we have provided an extract of the first 100 words of the full text and any section headings.

We thank Spielman for commenting on our article and giving us an opportunity to continue the dialogue on methodological issues in studying food environments. In response to his point about network versus straight-line distances, we would like to note that in a related study, our research team found network and straight-line distances in Chicago to be highly correlated, and results did not differ when models were tested with network versus straight-line distances. Chicago streets follow a fairly dense grid, which may explain why a difference was not found between the 2 methods.

That said, Spielman has identified an aspect of . . . [Full Text]






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